diff --git a/.github/workflows/test-linux.yml b/.github/workflows/test-linux.yml
index c421f840561..091a71fb93f 100644
--- a/.github/workflows/test-linux.yml
+++ b/.github/workflows/test-linux.yml
@@ -25,6 +25,8 @@ jobs:
       - uses: actions/checkout@v3
         with:
           persist-credentials: false
+      - name: Checkout submodules
+        run: git submodule update --init --recursive
       - name: Set up Python ${{ env.PYTHON_VERSION }}
         uses: actions/setup-python@v4
         with: